While employed by Sanderson & Grainger, the Eleventh Doctor wore a badge with his name on. As he claimed to Craig Owens, he wore it in case he forgot who he was. (TV: Closing Time)
Judge Dredd's badge. (COMIC: The Totally Stonking, Surprisingly Educational And Utterly Mindboggling Comic Relief Comic [+]Loading...{"page":"12","1":"The Totally Stonking, Surprisingly Educational And Utterly Mindboggling Comic Relief Comic (comic story)"})
Giles showed his P.R.O.B.E. badge to get access to Tower Bridge when it was closed off by police and MI5 forces due to the appearance of a rift. (AUDIO: Guardian At The Gate)
Judge Joseph Dredd possessed a gold badge in either 1991 (COMIC: The Totally Stonking, Surprisingly Educational And Utterly Mindboggling Comic Relief Comic [+]Loading...["The Totally Stonking, Surprisingly Educational And Utterly Mindboggling Comic Relief Comic (comic story)"]) or 2127. (PROSE: Psykogeddon (digital edition) [+]Loading...{"var":"digital edition","1":"Psykogeddon (novel)"})